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Boundary for wave equation

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Hello everybody,

Do you have an idea about how can i define a "wall boundary" in pde solving module of comsol ? I'm doing acoustic without the acoustic module to better understand what's going on (i'm a student) and i need reflection boundary, but i don't know what to choose among the lot of choice. Wall boundary are part of neumann condition with a zero normal speed on the boundary, do i have to implement it somewhere ?

regards,
irene

0 Replies Last Post 16 nov 2016, 15:59 GMT-5
COMSOL Moderator

Hello Irene Elliot

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